Name: Dorea formicigenerans (Holdeman and Moore 1974) Taras et al. 2002

Category: Species

Proposed as: comb. nov.

Basonym: Eubacterium formicigenerans Holdeman and Moore 1974 (Approved Lists 1980)

Etymology: for.mi.ci.ge’ne.rans. N.L. neut. n. acidum formicum, formic acid; L. pres. part. generans, producing; N.L. fem. part. adj. formicigenerans, formic acid-producing, referring to its production of large amounts of formic acid from carbohydrate fermentation

Pronunciation, gender: for-mi-ki-GE-ne-rans, feminine

Type strain: ATCC 27755; DSM 3992

Conduct genome-based taxonomy at

16S rRNA gene: L34619 Analyse FASTA

Valid publication: Taras D, Simmering R, Collins MD, Lawson PA, Blaut M. Reclassification of Eubacterium formicigenerans Holdeman and Moore 1974 as Dorea formicigenerans gen. nov., comb. nov., and description of Dorea longicatena sp. nov., isolated from human faeces. Int J Syst Evol Microbiol 2002; 52:423-428.

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 52, part 2 of the IJSEM. Int J Syst Evol Microbiol 2002; 52:691-692.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name (and explicitly recommended for medical use)

Risk group: 1

• Synonyms:

  • Name	Kind
    Eubacterium formicigenerans Holdeman and Moore 1974 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP

• Notes:
  • 🥇 Nomenclatural type of the genus Dorea Taras et al. 2002. Publication: Taras D, Simmering R, Collins MD, Lawson PA, Blaut M. Reclassification of Eubacterium formicigenerans Holdeman and Moore 1974 as Dorea formicigenerans gen. nov., comb. nov., and description of Dorea longicatena sp. nov., isolated from human faeces. Int J Syst Evol Microbiol 2002; 52:423-428.
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No". — The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 1. — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1. — If in doubt, use the risk group given in the regulations for your country and, if these are not available, use the risk group given in the catalogue of the culture collection from which you have obtained or intend to obtain the strain.
  • 🎓 Name mentioned 39 times in PubMed until 2025-06-04.
  • 🙆 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as the name to be applied to this species. The name is on LoRN because of the recorded risk group of the genus.
  • 🧍 According to Bartlett et al. (2022), no evidence of human infection was found for this species. Publication: Bartlett A, Padfield D, Lear L, Bendall R, Vos M. A comprehensive list of bacterial pathogens infecting humans. Microbiology (Reading) 2022; 168:0.
  • 🧍 According to Rules 27(3) and 30, this name is not validly published because the effective publication only documents deposit of the type strain in a single recognized culture collection. However, according to the Judicial Opinion 81, Dorea formicigenerans (Holdeman and Moore 1974) Taras et al. 2002 is to be considered to be validly published. Publication: Euzeby JP, Tindall BJ. Status of strains that contravene Rules 27(3) and 30 of the Bacteriological Code. Request for an opinion. Int J Syst Evol Microbiol 2004; 54:293-301.

Parent taxon: Dorea Taras et al. 2002

Assigned by: Taras D, Simmering R, Collins MD, Lawson PA, Blaut M. Reclassification of Eubacterium formicigenerans Holdeman and Moore 1974 as Dorea formicigenerans gen. nov., comb. nov., and description of Dorea longicatena sp. nov., isolated from human faeces. Int J Syst Evol Microbiol 2002; 52:423-428.

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Record number: 775818